72qt
82qtc
92qtch
a3qt
b3qtc
wtrtc
xtrtch
ytrt
ztrtc
0trtch
lkstch
mkst
nkstc
okstch
pkst
abtt
bbttc
cbttch
dbtt
ebttc
z1ttc
01ttch
11tt
21ttc
31ttch